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CVE-2021-21017

Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

Adobe Acrobat Reader DC is affected by this flaw, which is a memory corruption bug (heap-based buffer overflow) that could allow an attacker to run arbitrary code with the privileges of the current user. The attack requires a victim to open a specially crafted malicious file.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Adobe Acrobat Reader

    From unspecified · through 2020.013.20074; From unspecified · through 2020.001.30018; From unspecified · through 2017.011.30188; From unspecified · through None

References 1

helpx.adobe.com